Plow.



G. ANDERSON.

PLOW.

APPLICATION FILED SEPT` 11, 1911.

Patented 00u15, m2

3 SHEETS-SHEET 1.

U @UMQVQSWA H. G. ANDERSON.

PLOW.

4 APPLIOATIDN FILED SEPT. 11, 1911. LQQ'LQQ Patented Get. i5, w12.

H. G. ANDERSON,

PLOW=- APPLICATION FILED SEPT. 11, 1911.

Patented; Got. 15,1912

3 SHEETS-SHEET 3.

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Hallan entras ramena crimen.

HEINNING G. ANDERSON, BARNEY,' NORTH DAKOTA.

PLOW.

To all rwhom it may concern.' v

'Be it known that I, HENNING G. ANDER- soN, :a citizenof the United States, residing at Barney, in the county of Richland, State of Northl Dakota, have invented certain new and useful Improvements in Flows; and yl do hereby declare the following to be a full, clear, and exact description vofv the invention, such as will enable others skilled in the art to which it appertains tomake and use the same.

This invention relates to plows and more particularly ,to means whereby the plow beam may be raised and lowered relativelyV to the supporting wheel of the plow.

The object of the invention resides in the provision of a plow which includes means for raising and lowering the plow beam relatively to the supporting lwheel of the plow, said means being adapted' to be operatively engaged with the supporting wheel so that the rotation of the Alatter will e'ect of the plow as the case may be.

With the above and other objects in view the invention consists in the details of construction and in the arrangement and combination of parts, to be hereinafter more full 1 described and particularly pointed out in the appended claims.

In describing theinvention in detail reference will be had to the accompanying drawings wherein like characters of reiten` ence denote corresponding parts in the several views, and in which- Figure l is a side elevation showing the plow in lowered po-sition, Fig.v 2,- a side ele# ration'viewed` from the opposite side and showing the plow in raised position, Fig. 3, a, plan view of what is shown in Fig. l, Fig. Il, a section on the line l-ll of Figl, Fig. 5, a section on the line 55 of Figah with the tripping lever shown in dotted lines. Fig. 6, a view similar to Fig: 5 showf ing the position of the parts of the clutch connection after same has been thrown into operative engagement with the supporting wheel whereby a iixed connection is estab lished between the supporting wheel and its shaft.. Fig. 7, an enlarged rear elevationot the clutch connection with the part'sin lthe position shown inl Fig. 6, Fig. 8, a detail Specification of Letters Patent.

Patentedlct. 15,1912. I -pplication tiled September 11, 1911. Serial No. 648,741.

perspective view of the dog carrying plate of the clutch connection, Fig. 9, a detail erspective view of the tripping lever` an its vadjacent. parts, said lever being adapted to ,desired to operate the clutch connection to effect the simultaneous rotation of the plow wheel and its axle or shaft.

Referring to the drawings, A indicates generally a plow lbeam having the usual depending portion 10 at its rear end carrying the plow blade ll. The beam A further includes a pair of parallel arms l2 and 13 which have depending from their forward ends respectively plates le and l5. Disposed between t-he arms 1Q and 13 is an L-shaped .Frame which is formed of U-shaped portions B and C' the former including parallel spaced arms 1G and 17 and the latter parallel spaced arms 18 aud 19. Journaled in the L-shaped' frame at the junction of the arms of respective U-shaped portionsB and C is a shaft 2O upon which is loosely mount-- ed a wheel 21. The outer end of the U- shaped portion C is pivotally mounted between the plates land 15 so that the plow beam A is 'capable ot moving up and down relatively to the wheel 2l.

, Mounted at the inner end of the arm 16 of the U-shaped portion B is a laterally directed bracket 22 upon which is pivotally mounted a walking beam 23. Fixed on the end of the shaft 20 adjacent the arm 16 is aA crank arm 24 the free end of which is connected by a link 25 with one end of the walking beam Q3. The opposite end (t this walking beam Q3 is pivotally connected with a link 26, the latter being pivotally nounted upon the arm 13 ot the beam A adjacent the rear end of said arm. By'this construction it will be apparent, upon reference to Fig. 2, that as the shaft 20 is rotated counterclockwise the crank arm 24 will cause the link 25 to raise the forward end ot the walking beam 23 and lower the rear end of the rtion shown in Fig. l. Jagain, continued rotationof the shattAQO will, through the mellO dium of the various connections previously referred to, result inthe plow beam A being again elevated to the position shown in n order to aid in elevating the plow beam A there is provided a balance spring 27 one endvof which is secured to the \L- sha ed frame at 'the junction of the arms 16 andp 19 while the other end thereof is anchored to the walking beam 23 forward of the ivotal connection of the latter with the brac et 22. VV'hen the plow beam A has been lowered to its limit it will be apparent that the tension of the spring 27 will afford material assistance in operating the various yconnections to effect the elevation 4of the beam A. The link 26 is provided with a plurality of openings 28 at spaced points thereinwhereby the adjacent end of the walking beam 23 may be connected to.

said lever in different adjustments and the particular point at which the walking beam is connected to the lever 26 will determine the extent of movement of which the plow beam A partakes during elevation and lowering.

.. In order to effect the raising and lowering of the beam A through the medium of the rotation of the wheel 21 there is pro-` vided an 'improved form of clutch connection between said wheel and the shaft 21,

said connection being designed to connect` vthe wheel and shaft so that the rotation of the former will raise or lower the beam A as previously described and then automatically disengage the wheel 21 from the shaft 20 when the beam A has been elevated or lowered to its full extent as the case may be. This clutch connection includes a ring 29 fixed on the wheel21 adjacent the arms 18 and 17 and surrounding the shaft 20. The inner periphery of the ring 29 is provided with a plurality of recesses or notches 30 in which are adapted to engage dogs 31 pivotally mounted at diametrically opposite points upon a doacarrier 32 which is fixed `'upon the shaft The dogs 31 are normally held in engagement with the inner periphery of the ring 29 by means of springs 33 which bear respectively at their outer ends against the dogs 31 and seat at their inner ends in suitable recesses 34 formed at diametrically opposite points in the periphery of the shaft 20. In order that the dogs 31 may be moved yout of engagement with the inner periphery of the rlng 29 the dog carrier 32 is provided with recesses 35 which are adapted to receive the free ends of the dogs 31 respectively when said dogs are moved away .from the inner periphery of the ring 29 against the influence of the springs 33.

In order to move the free ends of the dogs 3l out of'engagemcnt with the inner periphery of the ring 29 at the termination of the raising or lowering movement of the taneously.

beam A there is provided a tripping lever U circled by a spring 39 one end of which en gages the tripping leverD and constantly tends to force the free end of same toward the ring 29; -The free end of the tripping lever D terminates in spaced fingers 40 and 41 which embrace the shaft 20. The nger 40 is provided with a cam face 42 while the finger 41 is provided with a cam face 43, said cam faces being so positioned that when the beam A has been elevated or lowered to its full extent the dogs 31 in their rotation will engage respective cam faces 42 and 43 and be forced inwardly or away from the inner periphery of the ring 29 and thus automatically effect the disengagement of the wheel 21 from the shaft 20 so thatthe beam A will cease to move under the influencey of the rotation of the wheel 21 when it reaches the limit of either its upward or downward movement. The bracket 36 is provided with an extension 44 which is operatively connected by a cable 45 to a foot lever 46 pivoted upon the arm 12 of the beam A near the forward end of the latter.

It willbe noted that when the wheel 21 is disconnected from the shaft 20 the dogs 31 are in engagement with the cam faces 42 and 43 respectively so that they are held away from the inner periphery of the ring 29. Now assuming that the beam A is in lowered position as shown in Fig. -1 .and itis desired to raise said beam it is only nec- 'l essary to press upon the loot lever 46 so as to swing the fingers 40 and 41 of the tripping lever D out of the path of travel of' inner face of the tripping lever .D as 'the shaft. 20 is rotated. until va half rotation of said shaft is approached. When this4 stage in the rotation of the shaft is reached the dogs 31 will pass out of engagement with the inner face ofthe' tripping lever Dv and the fingers 40 and` 41 of the latter will then be thrown under the influence of the spring 39 into the path of travel of said dogs which will then pass into engagement with the cam faces 42 and 43 respectively and be actuated by such engagement away from the inner periphery of the ring 19 so that -the wheel 2l will be ineffective to further rotate the shaft 20 and the beam A will remain in the elevated posit-ion to which it'has just been The foot lever 46 may then be released and the dogs 31 will slide along the actuated by the rotation of the shaft 20 under the influence of the rotation of the wheel 21.

In order to provide againstany backward rotation of the shaft 20 there is fixed on said sha-ft a ratchet wheel 41 operatively vengaged by a spring pawl 48 mounted on the arm 17 of the U-shaped portion B.

"While the invention has been shown as applied to a. plow having a single blade it will be apparent that it may be incorporated with equal facility in a plow having a plurality ot blades or in a gangplow including a. plurality of blades and beams without in any manner departing from the scope of the invention' set forth in the appended claims.-

Vihat is claimed isz l. The combination' of a, shaft, a supporting,` wheel loosely journaled thereon,.a frame supported upon said shaft, a plow pivotally connected to said frame, a rock arm mounted upon the frame, connections between said rock arm and shaft whereby the rotation of the latter will oscillate the rock arm, connections between. said plow `and the rock arm whereby the oscillation arm, connections between Said plow and the rock arm whereby the oscillation of the latter 'will raise and lower said plow,'a `clutch connection between the supporting wheel and the shaft for transmitting the rotation of said wheel to the shaft, and means for au tomatically throwing outI said clutch oonnection at the termination of the elevating and lowering movemente` ofthe plow.

In testimony whereof, I aiiix 1ny`signature, in presence of two witnesses.

HENNING G. ANDERSON. Witnesses Marrn VVILMERDING, N. BERG. 

